| Patents for G05D 9 - Level control, e.g. controlling quantity of material stored in vessel (4,688) |
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| 01/25/2012 | CN202126634U Liquid level stabilizing device without energy consumption of test piece maintenance pool |
| 01/25/2012 | CN101526820B Multi-stage water level control structure for water storage cylinder of water purifier |
| 01/18/2012 | CN202120138U Water level alarm using sucker to position contact |
| 01/18/2012 | CN202120137U Glass liquid level control system device of glass fiber furnace |
| 01/18/2012 | CN202120136U Novel capacitance type liquid level controller |
| 01/18/2012 | CN202120135U Feed level controller and automatic feeding system |
| 01/18/2012 | CN202120134U Remote water level control device |
| 01/18/2012 | CN202120133U Automatic water feeding controller for purified water filter |
| 01/18/2012 | CN202120132U Shallow water level controller supplemented by magnetic force |
| 01/18/2012 | CN102323832A Liquid position control device |
| 01/18/2012 | CN102323831A Liquid level controller of liquefied natural gas (LNG) storage tank |
| 01/18/2012 | CN102323830A Superthin water level control device for water dispenser and water boiler |
| 01/17/2012 | US8099197 Method and system for distributed energy generator message aggregation |
| 01/17/2012 | US8099196 Control method and controller for a mechanohydraulic system |
| 01/11/2012 | CN202110450U Water level carrier wave monitoring module |
| 01/11/2012 | CN102312040A Four-impulse control method for steam drum water level of converter |
| 01/11/2012 | CN101957622B Water controller by taking municipal alternating current as test signal |
| 01/10/2012 | US8095245 Thermal energy dispatch system |
| 01/05/2012 | US20120004778 Vacation Faucet Apparatus and Method |
| 01/04/2012 | CN202102321U Wireless water level control device |
| 01/04/2012 | CN202102320U High-precision numerical control material correction mechanism |
| 01/04/2012 | CN202102319U Floating ball controller |
| 01/04/2012 | CN202101734U Automatic liquidometer for lower water tank of power plant |
| 01/04/2012 | CN102305161A Medium storage device and impurity discharging system thereof |
| 01/04/2012 | CN101483078B Nuclear power plant, water level control method and system for steam generator |
| 01/03/2012 | US8090480 Consumer electronic usage monitoring and management |
| 01/03/2012 | US8090478 Control for pressurized bladder in a patient support apparatus |
| 12/29/2011 | US20110320049 Drug component admixture library for a drug infusion delivery system |
| 12/28/2011 | CN202093401U 物位控制装置 Level control device |
| 12/28/2011 | CN202093400U 多用途全自动液位控制器 Multipurpose automatic level controller |
| 12/28/2011 | CN202090088U 一种连续电镀液面高度自动控制装置 A continuous plating liquid level automatic control device |
| 12/28/2011 | CN202087928U 一种助焊剂储量控制装置 One kind of flux control device Reserves |
| 12/28/2011 | CN101776920B 压力规律变化的容器内液位控制用时间参数确定方法 Pressure vessel within the law change with level control method for determining the time parameters |
| 12/27/2011 | US8086326 Fail-safe system for controlling wind turbines |
| 12/21/2011 | CN202083967U 疏通车水箱水位的控制与报警装置 Clear the car tank water level control and alarm devices |
| 12/21/2011 | CN101957623B 可带大功率负载的防爆水位控制器 Explosion level controller with high-power loads |
| 12/21/2011 | CN101694351B 一种智能工业循环水冷系统 An intelligent industrial circulating cooling system |
| 12/14/2011 | EP1957369B1 Method for packaging a contact lens and for detecting fluids |
| 12/14/2011 | CN202075633U 容器内液面高度精确调节控制装置 Precisely regulate the liquid level control means in the container |
| 12/14/2011 | CN202075632U 一种甲醇罐防溢出控制系统 Methanol anti-tank overflow control system |
| 12/14/2011 | CN102278819A 一种热水器水位自动控制装置 One kind of water heater automatic control device |
| 12/07/2011 | CN202067156U 一种水位远程监测装置 Type of water remote monitoring device |
| 12/07/2011 | CN202067155U 一种错峰补水控制装置 One kind of load shifting water control device |
| 12/07/2011 | CN202067154U 一种石粉过滤装置 One kind of powder filtration device |
| 12/07/2011 | CN202067153U 容器液位控制装置 Tank level control device |
| 12/07/2011 | CN202067152U 水位发声定量控制仪 Quantitative sound level control device |
| 12/07/2011 | CN202067151U 一种基于压力传感器的智能控水机 Pressure sensor based intelligent control water machine |
| 12/07/2011 | CN202067150U 缩聚装置中真空液封槽的液位控制系统 Condensation device level control system liquid seal vacuum tank |
| 12/07/2011 | CN101937239B 电子式水位控制器 Electronic Water Level Controller |
| 12/06/2011 | US8073556 System and method for controlling a machine |
| 12/01/2011 | US20110295441 Digital control device for a parallel pmos transistor board |
| 12/01/2011 | US20110295432 Method and system for safe drum water level determination in a combined cycle operation |
| 12/01/2011 | US20110290108 Slug mitigation by increasing available surge capacity |
| 11/30/2011 | CN202058048U 联合站清水罐液位自动监控系统 Joint station water tank level automatic monitoring system |
| 11/30/2011 | CN202058047U 纱布槽水位控制器 Gauze tank water level controller |
| 11/30/2011 | CN202058046U 自动水位跟踪测试系统 Automatic Test System Level Tracking |
| 11/30/2011 | CN202058045U 料仓用监控装置 Silo with monitoring device |
| 11/30/2011 | CN202058044U 液位控制装置 Level control device |
| 11/30/2011 | CN102262409A 水箱水满告知器 Water tank is full informed |
| 11/29/2011 | US8069077 Electric-power-generating-facility operation management support system, electric-power-generating-facility operation management support method, and program for executing support method, and program for executing operation management support method on computer |
| 11/29/2011 | US8068938 Method and system for managing a load demand on an electrical grid |
| 11/29/2011 | US8068937 Power distribution system with fault protection using energy packet confirmation |
| 11/29/2011 | US8065759 McClain's bathtub monitor |
| 11/24/2011 | DE102011102253A1 Verfahren und System für Mehrzonen-Modellierung zur Bestimmung von Materialeigenschaften in Lagerungstanks Method and system for multi-zone modeling to determine material properties in storage tanks |
| 11/23/2011 | CN202050286U Comprehensive control system for power generating |
| 11/23/2011 | CN202049396U Water level controller adopting two detecting lines |
| 11/23/2011 | CN202049395U Ultrathin water level controller for drinking water machine or water boiler |
| 11/23/2011 | CN202049394U Automatic control device with water level being visible |
| 11/23/2011 | CN202049393U Intelligent RF admittance material level controller |
| 11/23/2011 | CN101930240B Ultrapure water energy-saving control system |
| 11/22/2011 | US8065041 Concentrating control method of generating sets for grid energy saving and reduction of SO2 discharge |
| 11/22/2011 | US8063775 Energy management system |
| 11/22/2011 | CA2555022C Intelligent dispensing system |
| 11/17/2011 | US20110280767 Device for decontamination by misting |
| 11/17/2011 | US20110278173 Apparatus for manufacturing fluid reaction products |
| 11/16/2011 | CN202041856U Automatic water pumping device |
| 11/16/2011 | CN202041855U Automatic detection device of soldering machine tin surface |
| 11/16/2011 | CN202041854U Air-cooled probe of radio frequency admittance material position controller |
| 11/10/2011 | US20110273288 Pump Control Unit |
| 11/10/2011 | DE102010019479A1 Method for presentation of liquid for dosing device used to measure utility system, involves measuring liquid level-representative variable, and generating signal for stopping liquid suction if measured variable reaches preset limit |
| 11/09/2011 | CN202033671U Water pressure type full-automatic water level controller |
| 11/09/2011 | CN202033670U Remote monitoring system for water level |
| 11/09/2011 | CN202033669U Material level controller |
| 11/09/2011 | CN202030701U Water-sealed control device of furnace top of coke dry quenching furnace |
| 11/09/2011 | CN102234147A Automatic water level controlling apparatus |
| 11/08/2011 | US8055390 Controller for a blade adjustment angle of at least one rotor blade of a wind power plant |
| 11/03/2011 | WO2011137276A2 Methods and systems for controlling fluid delivery missions on a site |
| 11/02/2011 | CN202025237U Energy-saving culvert water level monitoring device |
| 10/27/2011 | WO2011133846A1 Updating thermostat weekly schedule over air |
| 10/26/2011 | EP2137585B1 System for filling a vessel |
| 10/26/2011 | CN202018603U Culture-farm water-level monitor |
| 10/26/2011 | CN202018602U Pneumatic solid material level detection and control device |
| 10/25/2011 | US8046110 Control of active power reserve in a wind-farm |
| 10/25/2011 | US8046108 System and method for converting ocean wave energy into electricity |
| 10/25/2011 | US8046107 Method and apparatus for optimizing refrigeration systems |
| 10/19/2011 | EP2376243A1 Device for detecting the flow and method therefor |
| 10/19/2011 | CN202013521U Floating ball type liquid level controller |
| 10/19/2011 | CN202013520U Cooling water supplementing tank for continuous casting crystallizer |
| 10/19/2011 | CN202013519U Water level electrode controller |
| 10/19/2011 | CN202013518U Liquid level automatic control device of triphase separator |